What effect does bed bugs have on humans?

In brief:
Variable

Others develop redness, swelling and intense itching. The bed bug does not tend to carry other pathogens. Some people can develop significant allergic reactions.

In brief:
Variable

Some people don't feel the bites.

Others develop redness, swelling and intense itching. The bed bug does not tend to carry other pathogens. Some people can develop significant allergic reactions.
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